Yesterday McAfee released an update (DAT No 5958) which incorrectly identified a vital Windows XP system file (svchost.exe) as a virus and deleted it, (http://news.bbc.co.uk/1/hi/technology/8636985.stm) resulting in some or all of the following symptoms, amongst others; 1. Repeated rebooting of the system. 2. Loss of Windows “Theme” / “Look & Feel”. 3. Missing “Taskbar”. 4.